Clouds come in when condensation occurs. A cloud is made from a million water droplets and they have their own size and shape. NO clouds are the same. if they're black, it means it'd going to rain. Clouds are very important to the water cycle. There are 10 types of clouds found so far and 3 main types: Stratus, cumulus and cirrus. There are also clouds in other planets-Like Jupiter and Saturn have clouds of ammonia.